You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.2 KiB
52 lines
1.2 KiB
<?php
|
|
|
|
/**
|
|
* Variable
|
|
*
|
|
* @package Less
|
|
* @subpackage tree
|
|
*/
|
|
class Less_Tree_Variable extends Less_Tree{
|
|
|
|
public $name;
|
|
public $index;
|
|
public $currentFileInfo;
|
|
public $evaluating = false;
|
|
public $type = 'Variable';
|
|
|
|
/**
|
|
* @param string $name
|
|
*/
|
|
public function __construct($name, $index = null, $currentFileInfo = null) {
|
|
$this->name = $name;
|
|
$this->index = $index;
|
|
$this->currentFileInfo = $currentFileInfo;
|
|
}
|
|
|
|
public function compile($env) {
|
|
|
|
if( $this->name[1] === '@' ){
|
|
$v = new Less_Tree_Variable(substr($this->name, 1), $this->index + 1, $this->currentFileInfo);
|
|
$name = '@' . $v->compile($env)->value;
|
|
}else{
|
|
$name = $this->name;
|
|
}
|
|
|
|
if ($this->evaluating) {
|
|
throw new Less_Exception_Compiler("Recursive variable definition for " . $name, null, $this->index, $this->currentFileInfo);
|
|
}
|
|
|
|
$this->evaluating = true;
|
|
|
|
foreach($env->frames as $frame){
|
|
if( $v = $frame->variable($name) ){
|
|
$r = $v->value->compile($env);
|
|
$this->evaluating = false;
|
|
return $r;
|
|
}
|
|
}
|
|
|
|
throw new Less_Exception_Compiler("variable " . $name . " is undefined in file ".$this->currentFileInfo["filename"], null, $this->index, $this->currentFileInfo);
|
|
}
|
|
|
|
}
|
|
|